HomeMy WebLinkAboutscan-14DIVISION 26 - ELECTRICAL
26 0050 BASIC ELECTRICAL REQUIREMENTS
The electrical scope for this project shall consist (but not exclusive) of the following:
Installation of device outlets and associated wiring
Light fixtures and associated wiring
Electrical connections to mechanical equipment
Electrical panels
Electrical service
Rough -in for low voltage services, including device pathways.
Any items shown in the construction documents or typically associated with the complete construction of this type.
All necessary and required permitting as it relates to the project.
All work shall be in accordance with the following Codes and Standards:
Ir ternational Building Code (IBC),
L `e Safety Code, NFPA 101
�abonal Electric Code (NEC) NFPA 70
Whet applicable, all fixtures, equipment and materials shall be listed by Underwriter's Laboratories, Inc. or a nationally recognized testing organization.
The = wner shall make application for and pay for electrical service equipment and installation. The contractor shall coordinate schedule and requirements with the owner a-d utility
com_ any.
Rou-o-in for low voltage services shall consist of a single gang steel back box and a 1" EMT conduit with plastic bushings to above accessible ceiling. Provide blank acep ate to cover
sine e gang opening. Coordinate exact finish with design team prior to ordering.
All .,iring shall be in conduit. No splices shall be made to any service in inaccessible locations.
Tic - contractor shall coordinate with other contractors on site to assure adequate clearances and access to devices per national and local code.
Thy drawings are diagrammatic and intended to convey the scope of the work and to indicate the general arrangements and locations of equipment, outlets, etc. and the approxir ate size
of equipment.
Be' -,re beginning construction, the contractor shall check and verify with the owner each item of existing equipment that must be removed. The owner will designate which iterns c'
m--erial or equipment not reused that he may wish to keep. The contractor shall then remove these items with care and store in a location designated by the owner for the o,vner s
di-cosal.
C-arance around the conduit, cable trays, and all other devices or assemblies passing through fire or smoke rated construction shall be sealed to maintain the rated integrity or tt-
Instruction (1 hr., 2 hrs, etc.). This contractor shall verify rating and location of all such construction with the architectural drawings and seal all penetrations.
T �s contractor shall guarantee all of the apparatus, materials, equipment furnished, and labor installed under this contract for a period of one year after date of final acceptance, less a
C iger period is specified. Should any defects arise as the result of defective workmanship or material within the guarantee period set forth, this contractor shall make the recesse-.
c-rrectlon at his own expense.
26 0519 ELECTRICAL POWER CONDUCTORS AND CABLES
Installation shall meet NECA Standard of Installation (National Electrical Contractors Association).
Installation shall be tested to NETA ATS - Acceptance Testing Specifications for Electrical Power Distribution Equipment and Systems (International Electrical Testing Associat zi).
'-linimum size wiring for power ardllcatlons shall be 12 AWG.
120/208 volt and fire alarm whine shall not occupy the same raceway.
ror high harmonic branch circuits such as those serving lighting and electronic equipment, provide a shared #10 neutral conductor for three phase conductors. For sensitive = ectr-- c and
diagnostic equipment, provide a separate #12 neutral conductor for each phase conductor. For branch circuit panels serving high harmonic loads, provide double -sized neutra cor_:dor.
Provide minimum 10 AWG wiring for 20 ampere, 120 volt branch circuit home runs longer than 75 feet.
Provide minimum 8 AWG wiring for exterior lighting circuits leaving building.
All wire and cable for power, lights- g, control and signal circuits shall have copper conductors and shall be insulated to 600 volts.
All wire shall be stranded type.
All standard building wiring shall be THWN-2/IHHN. Aluminum conductors are not allowed.
In -line splices and taps for conduccsr sizes #B AWG and smaller, shall use vinyl insulated spring connectors. Connectors for conductors sizes #6 and larger shall be compres- Ti 1_3 types.
Color code conductors as follows:
120/208V, 3PH, 4W: Phase A - Black; B - Red; C - Blue; Neutral - White; Ground - Green.
All cable for feeders shall be cor nuous from origin to termination. Splices in branch circuit wires shall be made only in accessible junction boxes. Keep conductor splices to a nirr-�um.
All power feeder cable shall to pulled with the use of approved pulling compound or powder. Pull all conductors into raceway at the same time.
%eatly arrange, label, and :ie-wrap all wiring inside all cabinets, panelboards, boxes, and other enclosures.
Make splices, toss, and terminations to carry full ampacity of conductors with no perceptible temperature rise.
Identify and or rode wire and cable under provisions of Specification Section 26 0553 - Identification for Electrical Systems. Identify each conductor with its circuit number o-cther
designation fated,
Do not insta multi -,vice branch circuits. No sharing of neutral shall be permitted.
26 0526 GROUNDING AND BONDING
GE.ERA_
All e ui: Tent, lic_-5ng, devices, and metallic conduit systems shall be grounded and bonded per NEC 250.
Gros = ng shall ---set (or exceed as required to meet these specifications) all the requirements of the NEC, NFPA and applicable standards of IEEE.
Provic= rounc-,I and bonding at utility's metering equipment and transformers per utility requirements.
ROD EL`_ TRODES
Rod ele='odes shall be 5/6" Copper-clac steel 10 feet (minimum) length. Increase number and/or lengths of ground rod electrodes as required to meet and achieve speclfiec-ssistar-e.
Mainta " Separation o` at least 8 feet, lbu: not more than 20 feet between ground rod electrodes.
GROUNI-4 WELL COMPONENTS
Provide Ore ground)-. well at most accessible ground rod electrode. Provide 12'' x 12" x 12" Entech Inspection well, Quazite box or engineer approved equal. Provide with be - attaches.
skid resistant with "COUND" embossed on cover, well cover suitable for designated traffic rating. Verify traffic rating with engineer.
MECHANICAL CONNE 'ORS
All grounding tonne::- s shall be in accordance with UL467 and be UL listed for use with equipment connected. Groundine system connectors shall be fabricated of copper - bronze a-d
shall be properly apt =d for their intended use. All connectors and devices shall be compatible with the surfaces being corded and shall not cause galvanic corrosion by coma.- with
adjacent dissimilar ?--erials.
Connectors:
Lugs shall be e::-al to Burney QOA Series.
Grounding and-.ndirg bushings shall be malleable iron by Thomas and Betts.
Piping clamps s' =11 be equal to Burndy GAR-TC Series with a two -hole compression terminal.
Grounding Scre: and Pigtail shall be Raco #983.
Building Struct - Steel: Thompson #701 Series heavy duty bronze "C" clamp with bvo-bolt vise -grip cable clamp cr equal.
Mechanical luo= _-wire terminals shall be used to bond equipment.
GROUNDING ELECTR=IES
Provide exothermic z• -ed connections at all locations that will become inaccessible following construction. This includes in -grade connections.
All products shall be -alled in accordance with manufacturer's instructions.
All grounding ccnduc--s shall be insulated type THWN copper, unless noted to be bare.
A green grounding cc -jctor shall be installed throughout the entire new or modified portion of the electr =1 distribution system.
Inspect grounding anc-onding system conductors and connections for tightness and proper installation.
GROUNDING SYSTEM -ESTING
Grounding resistance reasured between ground and the main electrical service and between ground and aerator ocations shall not exceed 5 ohms. Resistance of all non-c,.--ent
carrying meal parts sir -'I not exceed 5 ohms measured between main electrical panel or generator to mc:_-s, busses, cabinets, equipment racks, light poles, transformers, any -ther
equipment. Resistance = ed for above shall be maximum resistance of each ground electrode prior to co,- ection to c--unding electrode conductor. Where ground electrode -.stem =_. ng
measured consists of h%c or more ground rod electrodes then the resistance specified above shall be the _-ximum Ties stance with two or more rods connected together but r.-- confl -ed
to the grourding electrode conductor.
FIELD QUALM CONTROL
Use suitable test instruc-"a with current certificate of calibration to measure resistance to ground of syste- . Perform testing in accordance with test instrument manufacturer';
recommendations using --e fall -of -potential method.
26 0529 HANGERS AND SUPPORTS FOR ELECTRICAL SYSTEMS
Installation shall meet f.`-�A Standard of Installation (National Electrical Contractors Association).
Products shall be galva' -ed steel and corrosion resistant.
The support systems sf- be selected to carry the loads of equipment and conduit and all wire contained ,Whin.
Anchors and Fasteners
Concrete Structur- Elements: Use expansion anchors, power actuated anchors and preset inserts.
Steel Structural E'.—ents: Use beam clamps and welded fasteners.
Concrete Surfaces Use self -drilling anchors and expansion anchors.
Hollow masonry, pIL'er, and gypsum board parttions: Use toggle bolts and hollow wall fasteners.
Solid masonry waist Use expansion anchors and preset inserts
Sheet Metal: Use s _et metal screws.
Wood elements: Use wood screws.
Do not exceed 25 Ibs per -anger and a minimum spacing of 2'-0" on center when attaching anchors and fasteners to metal roof decking
FORMED STEEL CHANNE_
Formed Steel Channel sire � be galvanized steel, except in pool areas where aluminum should be used.
26 0533 RACEWAY AND BOXES
Installation shall meet NECA Standard of Installation (National Electrical Contractors Association).
CONDUIT REQUIREMENTS
All power conductors shall be routed in EMT conduit where above grade, or in Schedule 40 PVC underground. Cc-duits
under vehicle traffic shall be RMC
Provide liquid tight Flexible connections to exterior mechanical equipment.
CONDUIT TYPES
All EMT fittings shall be compression or type.
CONDUIT REQUIREMENTS
Conduits shall be minimum of 3/4" for power, fire alarm, sound, controls and lighting. Minimum of 1" for
telecommunications and nurse call wiring.
Conduits for power feeders over 2" in size shall be galvanized rigid steel or intermediate metal conduit. Ccrdui- over 2"
in size shall have a grounding bushing.
Provide Allied EZ-Pull True Color EMT or approved equal as follows: Fire Alarm - Red;
CONDUIT TYPES
Flexible "whips` shall be used for device connections so that maximum length of flexible connection is not ;:eater than 6'.
CONDUIT INSTALLATION
Provide suitable pull string in each empty conduit except sleeves and nipples.
Electrical contractor shall provide conduit for all electrical, lighting, and low voltage systems serving area- r mechanical
rooms, non -accessible areas, and all exposed structural areas. In above accessible ceiling areas, J-hook --i to utilized
for low voltage cabling. Provide hooks with closure holes and cable ties. Mount hooks 32 inch on center.
Ground and bond all conduits.
Exposed conduit and conduit concealed in ceiling space shall be routed in lines parallel to building constructon.
Do not install more than three 90 degree bends between panelboards, enclosures, junction boxes, or pull ;axes.
Conduit and conductor sizing shall be coordinated to limit conductor fill to less than 40%, maintain conduc:x ampere
capacity as required by the National Electrical Code.
Conduit shall be identified every 10 feet and at all junction or pull boxes.
Support conduit raceway systems in accordance with requirements as set forth in the National Electric Code.:.ori -
shall not be attached to ceiling support wires.
BOX TYPES
In Stud Walls: For single or double buffet, use 4" square by 1-1/2" deep box. Boxes to be provided with rated co\ --a of
depth as required for thickness of wall materials. Back-to-back or through -wall type boxes shall not be use:. Boxes shall
be staggered on opposite sides of sound and Fire rated walls.
In Masonry and Poured Concrete Walls: Use 3-3/4" high by 2-1/2" and/or 3-1/2" deep masonry boxes.
At exterior locations, hazardous locations, wet locations and concrete slab on grade: Use cast boxes.
Surface Mounted Wall Outlets: Use 4 "square by 1-1/2" deep box with raised cover in rough areas; Wirer -.old box it
finished areas.
Suspended Ceiling: Use octagon boxes, depth as required for application; securely fastened to structure,
Provide junction boxes where needed by code and at all locations shown on plans.
Box construction shall be galvanized stamped steel. Boxes shall be recessed unless stated otherwise.
26 0553 IDENTIFICATION
NAMEPLATES AND LABELS
Panelboards and disconnects shall be labeled to what they are serving with an engraved three -layer laminated plast
nameplate with white letters on black background.
A separate nameplate for the service entrance shall be labeled with the maximum available fault current and date of
calculation given on the riser diagram.
WIRE MARKERS
Feeder conductors shall be taped to indicate phase.
Write circuit number of each device on inside of device box (not on the device cover):
208 Volt System: Black (circuit name and number)
Fire Alarm System: Red
Apply designation labels of engraved plastic laminate for pushbuttons, pilot lights, alarms/signal components, and sin
items, except where labeling is specified elsewhere.
PANEL IDENTIFICATION:
Install arc flash warning signs on all switchboards, panelboards, industrial control panels, and motor control centers,
Branch panelboards shall be provided with typed panel schedules upon completion of the project. HandwrYen marking
shall not be acceptable.
26 2726 WIRING DEVICES
Receptacles shall be heavy-duty specification grade with rating to match circuit. Provide GFI, or other
configurations as stated on plans or required by code. Provide red devices where powered by a redundant po:
supply. Receptacles shall be equivalent to Pass & Seymour #5362. Approved equals are: Hubbell, Cooper,
Leviton.
Final device and faceplate colors shall be determined by design team during submittal review.
GFCI receptacles shall be provided where required by the NEC.
INSTALLATION
Install all devices in accordance with NECA Standard of Installation".
All devices shall have a ground wire (raceway shall not be used as ground path).
Install receptacles with grounding pole or top.
Use jumbo size plates for outlets installern masonry walls.
INTERFACE WITH OTHER PRODUCTS
Install convenience receptacle 18 inches (18") on center above finished floor.
Install convenience receptacle six inches (6") on center above counter.
Install telecommunication jack 18 inches (18") on center above finished floor.
Install telephone jack for side -reach wad telephone to position top of telephone at 54 inch on center above
finished floor. Forward -reach at 48 inc- on center above finished floor.
26 2816 ENCLOSED SWITCHES
The basis of design shall be Schneider Electric.
All equipment with ampacity over 20A or three phase shall have heavy-duty type disconnects.
Where installed in wet locations, provide disconnects with a NEMA 3R enclosure.
Product Data: Provide manufacturer's catalog information showing dimensions, colors and configurations.
All equipment and systems shall be grounded per national arc ocal code.
26 2913 ENCLOSED CONTROLLERS
The basis of design shall be Schneider Electric.
Controllers shall be automatic type.
Where installed in wet locations, provide devices with a NE' -IA 3R enclosure.
26 4313 SURGE PROTECTIVE DEVICES
Provide Surge Protective Devices (SPDs) internal to elect- -al equipment.
Devices shall be by same manufacturer as equipment.
Devices shall be "component recognized" in accordance ::ith UL 1449 Third Edition.
Device shall include visual indication of proper SPD cc -ection and operation, with acdible alarm for-iication of
end -of -life condition, and a voltage surge counter or front cover.
Devices shall have a 10 year warranty.
INSTALLATION:
The service entrance SPD shall be installed on the '<== side of a service disconnec wercurrent
cevice per NEC.
Nibere the Internal SPD is connected to the powers• =m with cables, keep the c--Juctors as
short as possible with no sharp bends.
NOTE:
VERIFY BUILDING DIMENSIONS FOR ROUGH -IN
WORK WITH ARCHITECTS DRAWINGS.
INVISION
PLPNNING I ARCHITECTURE I INTERIORS
501 Sycamore Street
Suite 101
Waterloo, IA 50703
319.233.8419
319.233.9772 Fax
www.invisionarch.com
CONSULTANT:
n►mvuu1�*
WATERLOO DES MOINES IOWA CITY
REVISIONS:
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PROJECT NO:
19053
DATE:
2019.08.06
SHEET SET:
BID DOCUMENTS
SHEET NAME:
ELECTRICAL
SPECIFICATIONS
SHEET:
M E2 602
19-068 YOUNG ARENA MECHANICAL UPGRADES